Oskar A. Johnnsen <br/><br/>
Embryology of insects and myriapods 

 - London  Mcgraw Hill Book Co Inc  1941 
 - 462p 
<br/><br/>Oskar A. Johnnsen & Ferdinand H. Butt: Embryology of insects and myriapods.  London.  Mcgraw Hill Book Co Inc, 1941.--(595.7033JOH)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>595.7033  / JOH